Due to the presence of ergonomic ribbed handle keys are easy to use, the main handle provides a secure hold of the tool and high torque, and the additional (upper) handle designed for rapid rotation.
The keys are equipped with a compartment to store spare screws and others.
The set comes with 4 HEX key sizes:
Handle diameter: 18mm
Total length (adjustable): 100 to 195 mm
Handle length: 90 mm